How do you know the molecule below is an unsaturated fat? A. The molecule has an OH group on the end.
B. The molecule contains carbon double bonds.
C. The molecule has no nitrogen atoms.
D. The molecule contains a carbon-oxygen double bond.​

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different